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Upper Cretaceous foraminifera from the Toolonga Calcilutite and Gingin Chalk, Western Australia

Citation

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Abstract

One hundred and thirty-nine species of foraminifera belonging to 56 genera are recorded. One new genus, Haerella, is described;
31 species are described as new, 76 have been previously described, 21 are recorded as partial identifications and eleven
as doubtful identifications. The internal characters of several species have been investigated. An emended description has
been given for the species Spiroplectinata compressiuscula (Chapman); the concept of the genus Praebulimina is discussed,
and that of the genera Anomalinoides and Gavelinopsis. The type species of Anomalinoides, Anomalina pinguis Jennings, is found
to have double septal walls. The use of the names Ellipsoidella and Nodosarella in the classification of uniserial calcareous
foraminifera is also discussed. A chart shows the known vertical range of the recorded species in the areas investigated.